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          Institute: MPI für Gravitationsphysik     Collection: Astrophysical Relativity     Display Documents

ID: 318131.0, MPI für Gravitationsphysik / Astrophysical Relativity
Cactus Framework: Black Holes to Gamma Ray Bursts
Authors:Schnetter, Erik; Ott, Christian D.; Allen, Gabrielle; Diener, Peter; Goodale, Tom; Radke, Thomas; Seidel, Edward; Shalf, John
Place of Publication:Boca Raton, Fla. [u.a.]
Publisher:Chapman & Hall/CRC
Date of Publication (YYYY-MM-DD):2008
Title of Book:Petascale Computing: Algorithms and Applications
Start Page:507
End Page:528
Full Name of Book-Editor(s):Bader, David A.
Title of Series:Chapman & Hall/CRC computational science series
Review Status:not specified
Audience:Not Specified
Abstract / Description:Gamma Ray Bursts (GRBs) are intense narrowly-beamed flashes of gamma-rays of cosmological origin. They are among the most scientifically interesting astrophysical systems, and the riddle concerning their central engines and emission mechanisms is one of the most complex and challenging problems of astrophysics today. In this article we outline our petascale approach to the GRB problem and discuss the computational toolkits and numerical codes that are currently in use and that will be scaled up to run on emerging petaflop scale computing platforms in the near future.
Petascale computing will require additional ingredients over conventional parallelism. We consider some of the challenges which will be caused by future petascale architectures, and discuss our plans for the future development of the Cactus framework and its applications to meet these challenges in order to profit from these new architectures.
External Publication Status:published
Document Type:InBook
Communicated by:Bernhard F. Schutz
Affiliations:MPI für Gravitationsphysik/Astrophysical Relativity
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